| article html file updated | 8 February 2020 22:03 CET | Update | https://www.mdpi.com/1424-8220/17/12/2703 |
| article html file updated | 28 September 2019 17:09 CEST | Update | - |
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| article html file updated | 27 November 2017 02:50 CET | Update | - |
| article xml uploaded. | 27 November 2017 02:48 CET | Update | https://www.mdpi.com/1424-8220/17/12/2703/xml |
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| article pdf uploaded. | 27 November 2017 02:48 CET | Updated version of record | https://www.mdpi.com/1424-8220/17/12/2703/pdf |
| article html file updated | 23 November 2017 12:42 CET | Original file | - |
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| article pdf uploaded. | 23 November 2017 12:41 CET | Version of Record | https://www.mdpi.com/1424-8220/17/12/2703/pdf-vor |